41 static void saa7164_vbi_configure(struct saa7164_port *port)  in saa7164_vbi_configure()  argument
43 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_configure()
46 	port->vbi_params.width = port->width;  in saa7164_vbi_configure()
47 	port->vbi_params.height = port->height;  in saa7164_vbi_configure()
48 	port->vbi_params.is_50hz =  in saa7164_vbi_configure()
49 		(port->encodernorm.id & V4L2_STD_625_50) != 0;  in saa7164_vbi_configure()
52 	saa7164_api_initialize_dif(port);  in saa7164_vbi_configure()
56 	saa7164_api_configure_dif(port, port->encodernorm.id);  in saa7164_vbi_configure()
61 	saa7164_api_set_audio_std(port);  in saa7164_vbi_configure()
66 static int saa7164_vbi_buffers_dealloc(struct saa7164_port *port)  in saa7164_vbi_buffers_dealloc()  argument
69 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_buffers_dealloc()
74 	mutex_lock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_dealloc()
76 	dprintk(DBGLVL_VBI, "%s(port=%d) dmaqueue\n", __func__, port->nr);  in saa7164_vbi_buffers_dealloc()
77 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_vbi_buffers_dealloc()
83 	dprintk(DBGLVL_VBI, "%s(port=%d) used\n", __func__, port->nr);  in saa7164_vbi_buffers_dealloc()
84 	list_for_each_safe(p, q, &port->list_buf_used.list) {  in saa7164_vbi_buffers_dealloc()
90 	dprintk(DBGLVL_VBI, "%s(port=%d) free\n", __func__, port->nr);  in saa7164_vbi_buffers_dealloc()
91 	list_for_each_safe(l, v, &port->list_buf_free.list) {  in saa7164_vbi_buffers_dealloc()
97 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_dealloc()
98 	dprintk(DBGLVL_VBI, "%s(port=%d) done\n", __func__, port->nr);  in saa7164_vbi_buffers_dealloc()
104 static int saa7164_vbi_buffers_alloc(struct saa7164_port *port)  in saa7164_vbi_buffers_alloc()  argument
106 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_buffers_alloc()
109 	struct tmHWStreamParameters *params = &port->hw_streamingparams;  in saa7164_vbi_buffers_alloc()
128 	params->numpagetableentries = port->hwcfg.buffercount;  in saa7164_vbi_buffers_alloc()
131 	for (i = 0; i < port->hwcfg.buffercount; i++) {  in saa7164_vbi_buffers_alloc()
132 		buf = saa7164_buffer_alloc(port,  in saa7164_vbi_buffers_alloc()
144 			mutex_lock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_alloc()
145 			list_add_tail(&buf->list, &port->dmaqueue.list);  in saa7164_vbi_buffers_alloc()
146 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_alloc()
165 			mutex_lock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_alloc()
166 			list_add_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_vbi_buffers_alloc()
167 			mutex_unlock(&port->dmaqueue_lock);  in saa7164_vbi_buffers_alloc()
179 static int saa7164_vbi_initialize(struct saa7164_port *port)  in saa7164_vbi_initialize()  argument
181 	saa7164_vbi_configure(port);  in saa7164_vbi_initialize()
189 	struct saa7164_port *port = fh->port;  in vidioc_s_std()  local
190 	struct saa7164_dev *dev = port->dev;  in vidioc_s_std()
202 	port->encodernorm = saa7164_tvnorms[i];  in vidioc_s_std()
203 	port->std = id;  in vidioc_s_std()
208 	saa7164_api_set_audio_std(port);  in vidioc_s_std()
218 	struct saa7164_port *port = fh->port;  in vidioc_g_std()  local
220 	*id = port->std;  in vidioc_g_std()
251 	struct saa7164_port *port = fh->port;  in vidioc_g_input()  local
252 	struct saa7164_dev *dev = port->dev;  in vidioc_g_input()
254 	if (saa7164_api_get_videomux(port) != SAA_OK)  in vidioc_g_input()
257 	*i = (port->mux_input - 1);  in vidioc_g_input()
267 	struct saa7164_port *port = fh->port;  in vidioc_s_input()  local
268 	struct saa7164_dev *dev = port->dev;  in vidioc_s_input()
275 	port->mux_input = i + 1;  in vidioc_s_input()
277 	if (saa7164_api_set_videomux(port) != SAA_OK)  in vidioc_s_input()
287 	struct saa7164_port *port = fh->port;  in vidioc_g_tuner()  local
288 	struct saa7164_dev *dev = port->dev;  in vidioc_g_tuner()
313 	struct saa7164_port *port = fh->port;  in vidioc_g_frequency()  local
316 	f->frequency = port->freq;  in vidioc_g_frequency()
325 	struct saa7164_port *port = fh->port;  in vidioc_s_frequency()  local
326 	struct saa7164_dev *dev = port->dev;  in vidioc_s_frequency()
334 		.std       = port->encodernorm.id,  in vidioc_s_frequency()
348 	port->freq = f->frequency;  in vidioc_s_frequency()
351 	if (port->nr == SAA7164_PORT_VBI1)  in vidioc_s_frequency()
354 	if (port->nr == SAA7164_PORT_VBI2)  in vidioc_s_frequency()
366 	saa7164_vbi_initialize(port);  in vidioc_s_frequency()
375 	struct saa7164_port *port = fh->port;  in vidioc_g_ctrl()  local
376 	struct saa7164_dev *dev = port->dev;  in vidioc_g_ctrl()
383 		ctl->value = port->ctl_brightness;  in vidioc_g_ctrl()
386 		ctl->value = port->ctl_contrast;  in vidioc_g_ctrl()
389 		ctl->value = port->ctl_saturation;  in vidioc_g_ctrl()
392 		ctl->value = port->ctl_hue;  in vidioc_g_ctrl()
395 		ctl->value = port->ctl_sharpness;  in vidioc_g_ctrl()
398 		ctl->value = port->ctl_volume;  in vidioc_g_ctrl()
411 	struct saa7164_port *port = fh->port;  in vidioc_s_ctrl()  local
412 	struct saa7164_dev *dev = port->dev;  in vidioc_s_ctrl()
421 			port->ctl_brightness = ctl->value;  in vidioc_s_ctrl()
422 			saa7164_api_set_usercontrol(port,  in vidioc_s_ctrl()
429 			port->ctl_contrast = ctl->value;  in vidioc_s_ctrl()
430 			saa7164_api_set_usercontrol(port, PU_CONTRAST_CONTROL);  in vidioc_s_ctrl()
436 			port->ctl_saturation = ctl->value;  in vidioc_s_ctrl()
437 			saa7164_api_set_usercontrol(port,  in vidioc_s_ctrl()
444 			port->ctl_hue = ctl->value;  in vidioc_s_ctrl()
445 			saa7164_api_set_usercontrol(port, PU_HUE_CONTROL);  in vidioc_s_ctrl()
451 			port->ctl_sharpness = ctl->value;  in vidioc_s_ctrl()
452 			saa7164_api_set_usercontrol(port, PU_SHARPNESS_CONTROL);  in vidioc_s_ctrl()
458 			port->ctl_volume = ctl->value;  in vidioc_s_ctrl()
459 			saa7164_api_set_audio_volume(port, port->ctl_volume);  in vidioc_s_ctrl()
470 static int saa7164_get_ctrl(struct saa7164_port *port,  in saa7164_get_ctrl()  argument
473 	struct saa7164_vbi_params *params = &port->vbi_params;  in saa7164_get_ctrl()
501 	struct saa7164_port *port = fh->port;  in vidioc_g_ext_ctrls()  local
508 			err = saa7164_get_ctrl(port, ctrl);  in vidioc_g_ext_ctrls()
579 static int saa7164_set_ctrl(struct saa7164_port *port,  in saa7164_set_ctrl()  argument
582 	struct saa7164_vbi_params *params = &port->vbi_params;  in saa7164_set_ctrl()
591 		ret = saa7164_api_audio_mute(port, params->ctl_mute);  in saa7164_set_ctrl()
600 		ret = saa7164_api_set_aspect_ratio(port);  in saa7164_set_ctrl()
626 	struct saa7164_port *port = fh->port;  in vidioc_s_ext_ctrls()  local
638 			err = saa7164_set_ctrl(port, ctrl);  in vidioc_s_ext_ctrls()
655 	struct saa7164_port *port = fh->port;  in vidioc_querycap()  local
656 	struct saa7164_dev *dev = port->dev;  in vidioc_querycap()
691 	struct saa7164_port *port = fh->port;  in vidioc_g_fmt_vid_cap()  local
692 	struct saa7164_dev *dev = port->dev;  in vidioc_g_fmt_vid_cap()
697 		port->ts_packet_size * port->ts_packet_count;  in vidioc_g_fmt_vid_cap()
699 	f->fmt.pix.width        = port->width;  in vidioc_g_fmt_vid_cap()
700 	f->fmt.pix.height       = port->height;  in vidioc_g_fmt_vid_cap()
703 		port->width, port->height);  in vidioc_g_fmt_vid_cap()
712 	struct saa7164_port *port = fh->port;  in vidioc_try_fmt_vid_cap()  local
713 	struct saa7164_dev *dev = port->dev;  in vidioc_try_fmt_vid_cap()
718 		port->ts_packet_size * port->ts_packet_count;  in vidioc_try_fmt_vid_cap()
721 		port->width, port->height);  in vidioc_try_fmt_vid_cap()
729 	struct saa7164_port *port = fh->port;  in vidioc_s_fmt_vid_cap()  local
730 	struct saa7164_dev *dev = port->dev;  in vidioc_s_fmt_vid_cap()
735 		port->ts_packet_size * port->ts_packet_count;  in vidioc_s_fmt_vid_cap()
786 	struct saa7164_port *port = fh->port;  in vidioc_queryctrl()  local
804 			return fill_queryctrl(&port->vbi_params, c);  in vidioc_queryctrl()
813 static int saa7164_vbi_stop_port(struct saa7164_port *port)  in saa7164_vbi_stop_port()  argument
815 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_stop_port()
818 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_STOP);  in saa7164_vbi_stop_port()
831 static int saa7164_vbi_acquire_port(struct saa7164_port *port)  in saa7164_vbi_acquire_port()  argument
833 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_acquire_port()
836 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_vbi_acquire_port()
849 static int saa7164_vbi_pause_port(struct saa7164_port *port)  in saa7164_vbi_pause_port()  argument
851 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_pause_port()
854 	ret = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_vbi_pause_port()
873 static int saa7164_vbi_stop_streaming(struct saa7164_port *port)  in saa7164_vbi_stop_streaming()  argument
875 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_stop_streaming()
881 	dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr);  in saa7164_vbi_stop_streaming()
883 	ret = saa7164_vbi_pause_port(port);  in saa7164_vbi_stop_streaming()
884 	ret = saa7164_vbi_acquire_port(port);  in saa7164_vbi_stop_streaming()
885 	ret = saa7164_vbi_stop_port(port);  in saa7164_vbi_stop_streaming()
888 		port->nr);  in saa7164_vbi_stop_streaming()
891 	mutex_lock(&port->dmaqueue_lock);  in saa7164_vbi_stop_streaming()
894 	list_for_each_safe(c, n, &port->dmaqueue.list) {  in saa7164_vbi_stop_streaming()
900 	list_for_each_safe(c, n, &port->list_buf_used.list) {  in saa7164_vbi_stop_streaming()
903 		list_move_tail(&ubuf->list, &port->list_buf_free.list);  in saa7164_vbi_stop_streaming()
906 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_vbi_stop_streaming()
909 	saa7164_vbi_buffers_dealloc(port);  in saa7164_vbi_stop_streaming()
911 	dprintk(DBGLVL_VBI, "%s(port=%d) Released\n", __func__, port->nr);  in saa7164_vbi_stop_streaming()
916 static int saa7164_vbi_start_streaming(struct saa7164_port *port)  in saa7164_vbi_start_streaming()  argument
918 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_start_streaming()
921 	dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr);  in saa7164_vbi_start_streaming()
923 	port->done_first_interrupt = 0;  in saa7164_vbi_start_streaming()
929 	saa7164_vbi_buffers_alloc(port);  in saa7164_vbi_start_streaming()
933 	saa7164_api_set_encoder(port);  in saa7164_vbi_start_streaming()
934 	saa7164_api_get_encoder(port);  in saa7164_vbi_start_streaming()
938 	saa7164_buffer_cfg_port(port);  in saa7164_vbi_start_streaming()
941 	if (saa7164_api_set_vbi_format(port) != SAA_OK) {  in saa7164_vbi_start_streaming()
948 	result = saa7164_api_transition_port(port, SAA_DMASTATE_ACQUIRE);  in saa7164_vbi_start_streaming()
959 	result = saa7164_api_transition_port(port, SAA_DMASTATE_PAUSE);  in saa7164_vbi_start_streaming()
965 		result = saa7164_vbi_stop_port(port);  in saa7164_vbi_start_streaming()
977 	result = saa7164_api_transition_port(port, SAA_DMASTATE_RUN);  in saa7164_vbi_start_streaming()
983 		result = saa7164_vbi_acquire_port(port);  in saa7164_vbi_start_streaming()
984 		result = saa7164_vbi_stop_port(port);  in saa7164_vbi_start_streaming()
1018 	struct saa7164_port *port;  in fops_open()  local
1021 	port = (struct saa7164_port *)video_get_drvdata(video_devdata(file));  in fops_open()
1022 	if (!port)  in fops_open()
1025 	dev = port->dev;  in fops_open()
1035 	fh->port = port;  in fops_open()
1043 	struct saa7164_port *port = fh->port;  in fops_release()  local
1044 	struct saa7164_dev *dev = port->dev;  in fops_release()
1050 		if (atomic_dec_return(&port->v4l_reader_count) == 0) {  in fops_release()
1052 			saa7164_vbi_stop_streaming(port);  in fops_release()
1063 saa7164_user_buffer *saa7164_vbi_next_buf(struct saa7164_port *port)  in saa7164_vbi_next_buf()  argument
1066 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_next_buf()
1069 	mutex_lock(&port->dmaqueue_lock);  in saa7164_vbi_next_buf()
1070 	if (!list_empty(&port->list_buf_used.list)) {  in saa7164_vbi_next_buf()
1071 		ubuf = list_first_entry(&port->list_buf_used.list,  in saa7164_vbi_next_buf()
1084 	mutex_unlock(&port->dmaqueue_lock);  in saa7164_vbi_next_buf()
1095 	struct saa7164_port *port = fh->port;  in fops_read()  local
1097 	struct saa7164_dev *dev = port->dev;  in fops_read()
1102 	port->last_read_msecs_diff = port->last_read_msecs;  in fops_read()
1103 	port->last_read_msecs = jiffies_to_msecs(jiffies);  in fops_read()
1104 	port->last_read_msecs_diff = port->last_read_msecs -  in fops_read()
1105 		port->last_read_msecs_diff;  in fops_read()
1107 	saa7164_histogram_update(&port->read_interval,  in fops_read()
1108 		port->last_read_msecs_diff);  in fops_read()
1116 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_read()
1118 			if (saa7164_vbi_initialize(port) < 0) {  in fops_read()
1123 			saa7164_vbi_start_streaming(port);  in fops_read()
1130 		if (wait_event_interruptible(port->wait_read,  in fops_read()
1131 			saa7164_vbi_next_buf(port))) {  in fops_read()
1138 	ubuf = saa7164_vbi_next_buf(port);  in fops_read()
1176 			mutex_lock(&port->dmaqueue_lock);  in fops_read()
1177 			list_move_tail(&ubuf->list, &port->list_buf_free.list);  in fops_read()
1178 			mutex_unlock(&port->dmaqueue_lock);  in fops_read()
1182 				if (wait_event_interruptible(port->wait_read,  in fops_read()
1183 					saa7164_vbi_next_buf(port))) {  in fops_read()
1187 			ubuf = saa7164_vbi_next_buf(port);  in fops_read()
1202 	struct saa7164_port *port = fh->port;  in fops_poll()  local
1205 	port->last_poll_msecs_diff = port->last_poll_msecs;  in fops_poll()
1206 	port->last_poll_msecs = jiffies_to_msecs(jiffies);  in fops_poll()
1207 	port->last_poll_msecs_diff = port->last_poll_msecs -  in fops_poll()
1208 		port->last_poll_msecs_diff;  in fops_poll()
1210 	saa7164_histogram_update(&port->poll_interval,  in fops_poll()
1211 		port->last_poll_msecs_diff);  in fops_poll()
1213 	if (!video_is_registered(port->v4l_device))  in fops_poll()
1217 		if (atomic_inc_return(&port->v4l_reader_count) == 1) {  in fops_poll()
1218 			if (saa7164_vbi_initialize(port) < 0)  in fops_poll()
1220 			saa7164_vbi_start_streaming(port);  in fops_poll()
1227 		if (wait_event_interruptible(port->wait_read,  in fops_poll()
1228 			saa7164_vbi_next_buf(port))) {  in fops_poll()
1234 	if (!list_empty(&port->list_buf_used.list))  in fops_poll()
1283 	struct saa7164_port *port,  in saa7164_vbi_alloc()  argument
1289 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_alloc()
1306 int saa7164_vbi_register(struct saa7164_port *port)  in saa7164_vbi_register()  argument
1308 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_register()
1313 	if (port->type != SAA7164_MPEG_VBI)  in saa7164_vbi_register()
1317 	if (port->hwcfg.BARLocation == 0) {  in saa7164_vbi_register()
1328 	port->v4l_device = saa7164_vbi_alloc(port,  in saa7164_vbi_register()
1331 	if (!port->v4l_device) {  in saa7164_vbi_register()
1338 	port->std = V4L2_STD_NTSC_M;  in saa7164_vbi_register()
1339 	video_set_drvdata(port->v4l_device, port);  in saa7164_vbi_register()
1340 	result = video_register_device(port->v4l_device,  in saa7164_vbi_register()
1352 		dev->name, port->v4l_device->num);  in saa7164_vbi_register()
1361 void saa7164_vbi_unregister(struct saa7164_port *port)  in saa7164_vbi_unregister()  argument
1363 	struct saa7164_dev *dev = port->dev;  in saa7164_vbi_unregister()
1365 	dprintk(DBGLVL_VBI, "%s(port=%d)\n", __func__, port->nr);  in saa7164_vbi_unregister()
1367 	if (port->type != SAA7164_MPEG_VBI)  in saa7164_vbi_unregister()
1370 	if (port->v4l_device) {  in saa7164_vbi_unregister()
1371 		if (port->v4l_device->minor != -1)  in saa7164_vbi_unregister()
1372 			video_unregister_device(port->v4l_device);  in saa7164_vbi_unregister()
1374 			video_device_release(port->v4l_device);  in saa7164_vbi_unregister()
1376 		port->v4l_device = NULL;  in saa7164_vbi_unregister()